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  <title>Document</title>
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<body>
  <script>
    function sort(arr) {
      for(var i = 0; i < arr.length - 1; i++) {
        var flag = true
        for(var j = 0; j< arr.length - 1 - i; j++) {
          if(arr[j] > arr[j+1]) {
            flag = false
            var temp = arr[j]
            arr[j] = arr[j+1]
            arr[j + 1] = temp
          }
        }

        if(flag) {
          break
        }
      }

      return arr
    }

    console.log( sort([19, 8, 7, 5, 10])  )
  </script>
</body>
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